What changed, and what it means.
What shipped in agentic coding over the past two weeks, and what a solo engineer should change.
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Anthropic's merges passed 30,000 a day and source control became the wait. Find where your agent's work stalls
Anthropic moved its monorepo off git onto an in-house system after agents multiplied its merges. GitLab answered by keeping Git.
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Removing a TODO rarely comes with a test for it. Ask your agent for one
A new ESEM 2026 study finds 3.4% of TODO and FIXME removals add a test aimed at the debt. Before an agent clears your list, set a fail-before, pass-after rule.
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Copilot's default switch lands October 22. Decide what your reviewer turns on before it does.
On October 22, GitHub applies a default policy to eligible Copilot features you left unconfigured, including code review and MCP servers.
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Branch per agent: when you are the only reviewer
Claude Code projects now give each thread its own branch and copy of the repo. Parallel agents are easy now. Review is the constraint. A merge gate for a team of one.
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One instruction file for every coding agent in your repo
Claude Code now falls back to AGENTS.md when no CLAUDE.md is found up the tree. How to keep one instruction file for every agent, and the catches to check first.